Definitely fjn04. Smiley Smile was put together by Carl Wilson after Brian crashed and burned, the end result of constant questioning and resistance from Mike Love (who didn't at all understand Smile, musically or lyrically---he demanded Van Dyke Parks explain the meaning of those in "Surf's Up", and wanted to "stick to the formula"---he liked the lifestyle The Beach Boys afforded him) and pressure from Capitol Records for "product". Plus, Brian was taking a lot of drugs, LSD and Cocaine mostly, and becoming increasingly unhinged, getting paranoid (he thought his house and studio had been "bugged" by Phil Spector, to steal his ideas) and seeing "numbers" in everything---he believed in Numerology, and thought he was being "spoken to". He was also losing his self-confidence, becoming paralyzed with self-doubt. Not a pretty picture, is it?
Anyway, Carl described Smiley Smile as a bunt to Smile's home run. Carl used some of the Smile recordings, some unreleased material, and some newly-recorded Brian-less stuff, and pretty much just threw together an album. We will never have Smile as it was originally to be, as Brian fell apart before it was completed. By the way, three issues of the great music magazine Crawdaddy contain Paul Williams' (not the singer/songwriter, but the music critic) account of the Smile story as it was happening in 1967. Those three installments were included in Paul's book "Outlaw Blues", a must read.